Remove FX_DWORD from core/ and delete definition

core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h

Index: core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h
diff --git a/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h b/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h
index ebc5cee90aae09452a562003b048f3887b6c5e2d..73eabf9368401d865e26fa607898d10a9d1fb4d0 100644
--- a/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h
+++ b/core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h
@@ -65,7 +65,7 @@ class CPDF_Dictionary : public CPDF_Object {
   void SetAtNumber(const CFX_ByteStringC& key, FX_FLOAT f);
   void SetAtReference(const CFX_ByteStringC& key,
                       CPDF_IndirectObjectHolder* pDoc,
-                      FX_DWORD objnum);
+                      uint32_t objnum);
   void SetAtReference(const CFX_ByteStringC& key,
                       CPDF_IndirectObjectHolder* pDoc,
                       CPDF_Object* obj) {
@@ -77,7 +77,7 @@ class CPDF_Dictionary : public CPDF_Object {
 
   void AddReference(const CFX_ByteStringC& key,
                     CPDF_IndirectObjectHolder* pDoc,
-                    FX_DWORD objnum);
+                    uint32_t objnum);
 
   // Invalidates iterators for the element with the key |key|.
   void RemoveAt(const CFX_ByteStringC& key);